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LM2586T-3.3 Fiches technique(PDF) 4 Page - Texas Instruments

No de pièce LM2586T-3.3
Description  LM2586 SIMPLE SWITCHER 3A Flyback Regulator with Shutdown
Download  38 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

LM2586T-3.3 Fiches technique(HTML) 4 Page - Texas Instruments

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LM2586
SNVS121D – MAY 1996 – REVISED APRIL 2013
www.ti.com
LM2586-5.0 (continued)
Symbol
Parameters
Conditions
Typical
Min
Max
Units
AVOL
Error Amp
VCOMP = 0.5V to 1.6V
165
99/49
V/V
Voltage Gain
RCOMP = 1.0 MΩ
(3)
(3)
A 1.0 M
Ω resistor is connected to the compensation pin (which is the error amplifier output) to ensure accuracy in measuring AVOL.
LM2586-12
Symbol
Parameters
Conditions
Typical
Min
Max
Units
SYSTEM PARAMETERS Test Circuit of Figure 21 (1)
VOUT
Output Voltage
VIN = 4V to 10V
12.0
11.52/11.40
12.48/12.60
V
ILOAD = 0.2A to 0.8A
ΔVOUT/
Line Regulation
VIN = 4V to 10V ILOAD = 0.2A
20
100/200
mV
ΔVIN
ΔVOUT/
Load Regulation
VIN = 10V
20
100/200
mV
ΔILOAD
ILOAD = 0.2A to 0.8A
η
Efficiency
VIN = 10V, ILOAD = 0.6A
93
%
UNIQUE DEVICE PARAMETERS (2)
VREF
Output Reference
Measured at Feedback Pin
12.0
11.79/11.76
12.21/12.24
V
Voltage
VCOMP = 1.0V
ΔVREF
Reference Voltage
VIN = 4V to 40V
7.8
mV
Line Regulation
GM
Error Amp
ICOMP = −30 μA to +30 μA
0.328
0.186
0.621
mmho
Transconductance
VCOMP = 1.0V
AVOL
Error Amp
VCOMP = 0.5V to 1.6V
70
41/21
V/V
Voltage Gain
RCOMP = 1.0 MΩ
(3)
(1)
External components such as the diode, inductor, input and output capacitors can affect switching regulator performance. When the
LM2586 is used as shown in Figure 20 and Figure 21, system performance will be as specified by the system parameters.
(2)
All room temperature limits are 100% production tested, and all limits at temperature extremes are specified via correlation using
standard Statistical Quality Control (SQC) methods.
(3)
A 1.0 M
Ω resistor is connected to the compensation pin (which is the error amplifier output) to ensure accuracy in measuring AVOL.
4
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Copyright © 1996–2013, Texas Instruments Incorporated
Product Folder Links: LM2586


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